1 files changed, 23 insertions, 23 deletions

diff --git a/themes/hugo-book/assets/_markdown.scss b/themes/hugo-book/assets/_markdown.scss
index 2a95453..3f40f59 100644
--- a/themes/hugo-book/assets/_markdown.scss
+++ b/themes/hugo-book/assets/_markdown.scss
@@ -14,7 +14,7 @@
   h4,
   h5,
   h6 {
-    font-weight: normal;
+    font-weight: $body-font-weight;
     line-height: 1;
     margin-top: 1.5em;
     margin-bottom: $padding-16;
@@ -32,19 +32,12 @@
     }
   }
 
-  h4,
-  h5,
-  h6 {
-    font-weight: bolder;
-  }
-
-  h5 {
-    font-size: 0.875em;
-  }
-
-  h6 {
-    font-size: 0.75em;
-  }
+  h1 { font-size: $font-size-16 * 2; }
+  h2 { font-size: $font-size-16 * 1.5; }
+  h3 { font-size: $font-size-16 * 1.25; }
+  h4 { font-size: $font-size-16 * 1.125; }
+  h5 { font-size: $font-size-16 * 1; }
+  h6 { font-size: $font-size-16 * 0.875; }
 
   b,
   optgroup,
@@ -55,10 +48,10 @@
   a {
     text-decoration: none;
 
-    &:hover {
+    &[href]:hover {
       text-decoration: underline;
     }
-    &:visited {
+    &[href]:visited {
       color: var(--color-visited-link);
     }
   }
@@ -78,8 +71,6 @@
   }
 
   pre {
-    direction: ltr;
-    unicode-bidi: embed;
     padding: $padding-16;
     background: var(--gray-100);
     border-radius: $border-radius;
@@ -122,6 +113,7 @@
     tr td {
       padding: $padding-8 $padding-16;
       border: $padding-1 solid var(--gray-200);
+      text-align: start;
     }
 
     tr:nth-child(2n) {
@@ -158,7 +150,6 @@
     direction: ltr;
     unicode-bidi: embed;
     border-radius: $border-radius;
-    overflow: hidden;
 
     table tr {
       td pre code > span {
@@ -186,23 +177,32 @@
       padding: $padding-16;
       margin: -$padding-16;
       cursor: pointer;
+      list-style: none;
+
+      &::before {
+        content: "▸"; 
+        display: inline-block;
+        margin-inline-end: $padding-8;
+        transition: transform 0.1s ease-in-out;
+      }
     }
 
     &[open] summary {
       margin-bottom: 0;
+
+      &::before {
+        transform: rotate(90deg);
+      }
     }
   }
 
   figure {
     margin: $padding-16 0;
-    figcaption p {
-      margin-top: 0;
-    }
   }
 }
 
 .markdown-inner {
-  // Util class to remove extra margin in nested markdown content
+  // Utility class to remove extra margin in nested markdown content
   > :first-child {
     margin-top: 0;
   }